#!/bin/bash
#
# Copyright (C) 2013 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Stop if something fails.
set -e

JAVAC_SOURCE=1.6
JAVAC_TARGET=1.6

# Write out classes
mkdir src
awk '
BEGIN {
    for (c = 1; c <= 1000; c++) {
        writeClass(c);
    }
}
function writeClass(name) {
    fileName = "src/Clazz" name ".java";
    printf("public class Clazz%s {\n", name) > fileName;
    for (i = 1; i <= 100; i++) {
        printf("    int field%d;\n", i) > fileName;
    }
    for (i = 1; i <= 100; i++) {
        printf("    void method%d(int param) { }\n", i) > fileName;
    }
    printf("}\n") > fileName;
}'


mkdir classes
${JAVAC} -source ${JAVAC_SOURCE} -target ${JAVAC_TARGET} -d classes `find src -name '*.java'`
mkdir out
dx -JXmx4g -JXms4g --dex --no-optimize --multi-dex --output=out classes
mkdir out-multi
dx -JXmx4g -JXms4g --dex --no-optimize --multi-dex --num-threads=4 --output=out-multi classes
diff -r out out-multi > unit-out.txt

if [ "$?" = "0" ]; then
    echo "Yay!"
else
    cat unit-out.txt
fi